ASKAR FMA135 F/4.5 TRIPLET APO LENS Reviews which has a very high

which has a very high QE that is estimated to reach 75%

The T2 to 2" photographic adapter allows you to connect all cameras and accessories with a female T2 (M42x0

05 mm for 50mm  Optical flatness 1/4 λ (wavefront) Bandpass transmission >95% Off-band transmission OD3 @ 300-1050 nm Coating Double-sided multilayer nano-coating Surface quality 60/40 (in accordance with US military watch MIL-O-13830) Parallelism <30" Glass type Monolithic optical substrate (non glued) Filter size Mounted 1

20° – 70° Azimuth fine adjustment range

ASKAR FMA135 F/4.5 TRIPLET APO LENS Reviews which has a very highThe Askar FMA135 F 4. 5 is an extremely compact and lightweight triplet apochromatic refractor with one ED (extra low dispersion) lens. The FMA135, when combined with the built in three element flattener, is a very capable super wide field astrograph with minimal chromatic aberration and distortion across an APS C frame. As well as its superb imaging capability, it can be configured as a visual telescope, finder or guide scope. Features Can be used as